ANS signed “Truly yours, Mark Twain,” on the reverse of an off-white 5.5 x 3.5 German postcard, postmarked November 5, 1897. In full: “I am afraid I could not make it clearer. It is a foggy subject.” Encapsulated in a plastic PSA/DNA authentication holder. In fine condition, with light overall soiling and a postal cancellation near the left edge.
